Computer Science Set-4 | Question Paper Hub

Question 1

This statement allows the programs to interact with the screen, keyboard and file system of your computer

A. # includeB. #includeC. #includeD. #include

Question 2

Mutual exclusion solves which problem?

A. Critical sectionB. normal sectionC. Low Memory sectionD. Conventional Memory section

Question 3

A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called –

A. Local Procedure CallB. Inter Process CommunicationC. Remote Procedure CallD. Remote Machine Invocation

Question 4

History command shows the ________ last commands in the Korn shell.

A. 18B. 14C. 16D. 12

Question 5

NTFS is work on.

A. 16 bitB. 32 bitC. 64 bitD. None

Question 6

Suppose that i is an integer variable whose value is 7 and f is floating point variable whose value is 8.5. Evaluate the following expression : ( i + f)%4

A. 3B. 3.5C. 4D. Invalid

Question 7

The _______command is used to determine your local node name as well as the names of all uucp systems that are immediately known to your system.

A. uucpB. uutoC. uunameD. scp

Question 8

Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?

A. Time-sharingB. SPOOLingC. Preemptive schedulingD. Multiprogramming

Question 9

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What is the output of the following C program

B. 20C. errorD. garbage value

Question 10

Which command is used to create an archive called archive.tar?

A. tar –cvf archive.tar filename.html filename.lstB. gzip archive.tarC. tar –xvf archive.tar filename.html filename.lstD. tar –tvf archive.tar

Question 11

In the running state-

A. only the process which has control of the processor is foundB. all the processes waiting for I/O to be completed are foundC. all the processes waiting for the processor are foundD. none of the above

Question 12

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In the following C code

A. The first character in the fileB. A structure which contains a char pointer which points to the first character in the file.C. The name of the file.D. None of the above

Question 13

The degree of Multiprogramming is controlled by-

A. CPU SchedulerB. Context SwitchingC. Long-term SchedulerD. Medium term Scheduler

Question 14

To see the first 5 lines of a file, we give the command

A. tail +5B. head -5C. tail -5D. head +5

Question 15

${…} substitute

A. shell command outputB. quote enclosed characters except the quote marksC. Shell variablesD. None of the above

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